Vulnerability Details CVE-2019-1064
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data.
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.
The security update addresses the vulnerability by correcting how Windows AppX Deployment Service handles hard links.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.155
EPSS Ranking 94.3%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Proposed Action
A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
Ransomware Campaign
Known
References
Products affected by CVE-2019-1064
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cpe:2.3:o:microsoft:windows_10_1607:-
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cpe:2.3:o:microsoft:windows_10_1703:-
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cpe:2.3:o:microsoft:windows_10_1709:-
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cpe:2.3:o:microsoft:windows_10_1803:-
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cpe:2.3:o:microsoft:windows_10_1809:-
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cpe:2.3:o:microsoft:windows_10_1903:-
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cpe:2.3:o:microsoft:windows_server_1709:-
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cpe:2.3:o:microsoft:windows_server_1803:-
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cpe:2.3:o:microsoft:windows_server_1903:-
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cpe:2.3:o:microsoft:windows_server_2016:-
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cpe:2.3:o:microsoft:windows_server_2019:-